Rollup of 7 pull requests#146685

Merged

bors merged 17 commits intorust-lang:masterfrom

jdonszelmann:rollup-kwuih4z

Sep 18, 2025

Commits on Sep 12, 2025

Remove unreachable unsized arg handling in `store_fn_arg/store_arg` in codegen
zachs18
committed

Commits on Sep 15, 2025

Make llvm_enzyme a regular cargo feature
bjorn3
committed

Commits on Sep 16, 2025

Add parallel-frontend-threads to bootstrap.toml and enable multi-threaded parallel compilation
Hayden602
committed
Do not use `git -C dir`
samueltardieu
committed

Commits on Sep 17, 2025